26810240

素因数分解:

$2^7\times 5^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 64737360

約数和(自身を除く): 37927120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 257, 320, 326, 514, 640, 652, 815, 1028, 1285, 1304, 1630, 2056, 2570, 2608, 3260, 4112, 5140, 5216, 6520, 8224, 10280, 10432, 13040, 16448, 20560, 20864, 26080, 32896, 41120, 41891, 52160, 82240, 83782, 104320, 164480, 167564, 209455, 335128, 418910, 670256, 837820, 1340512, 1675640, 2681024, 3351280, 5362048, 6702560, 13405120, 26810240]

約数ペア:

[(1, 26810240), (2, 13405120), (4, 6702560), (5, 5362048), (8, 3351280), (10, 2681024), (16, 1675640), (20, 1340512), (32, 837820), (40, 670256), (64, 418910), (80, 335128), (128, 209455), (160, 167564), (163, 164480), (257, 104320), (320, 83782), (326, 82240), (514, 52160), (640, 41891), (652, 41120), (815, 32896), (1028, 26080), (1285, 20864), (1304, 20560), (1630, 16448), (2056, 13040), (2570, 10432), (2608, 10280), (3260, 8224), (4112, 6520), (5140, 5216)]